KUET 2021 Question Paper M.Sc. Zoology

FOR KUET EXAM PREPARATION

KUET 2021
Question Paper · M.Sc.
Zoology
EXAM YEAR TYPE SUBJECT

KUET 2021 Question Paper M.Sc. Zoology

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Sr. No. .............................

ENTRANCE TEST-2021
SCHOOL OF BIOLOGICAL SCIENCES

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ZOOLOGY
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Question Booklet Series

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Total Questions : 60
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Time Allowed : 70 Minutes Roll No. :

s e g l
g l a Instructions for Candidates :
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1. Change in the shape of sporozoans is as a result 6. Bilateral symmetry, metameric segmentation,
of : coelom and open circulatory system are
(A) Pellicle characteristic of phylum :

(B) Plasmalemma (A) Annelida

(C) All of the above (B) Mollusca
(D) None (C) Arthropoda
2. The cells responsible for regeneration in sponges (D) Echinodermata
are :
7. Sea-foam is :
(A) Chromocytes
(A) Shell of nautilus
(B) Amoebocytes
(B) Internal shell of cuttle fish
(C) Archaeocytes
(C) Cartilage of octopus
(D) Myocytes
(D) All of the above
3. Medusoid phase is altogether absent in :
(A) Scyphozoa 8. Sea lilies are :

(B) Hydrozoa (A) Echinoderms

(C) Actinozoa (B) Coelentrates
(D) Heliozoa (C) Rotifers
4. All flat worms differ from all round worms in (D) Aquatic plants
having :
9. The name Herdmania was proposed by :
(A) Triploblastic body
(A) Herdman
(B) Solid mesoderm
(B) Lahille
(C) Bilateral symmetry
(C) Weiss and Boveri
(D) Metamorphosis in the life-cycle
(D) Aristotle
5. Which one of the following is not a characteristic
of phylum Annelida ? 10. Scales in cyclostomata are :
(A) Pseudocoelom (A) Cycloid
(B) Ventral nervecord (B) Ctenoid
(C) Closed circulatory system
(C) Placoid
(D) Segmentation
(D) None of the above

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11. In addition to scales, bony plates or scutes are 16. One of the following is a very unique feature of
found in : mammalian body :
(A) Hag fish (A) Homeothermy
(B) Eel (B) Presence of diaphragm
(C) Flying fish (C) Four chambered heart

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(D) Sea horse
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(D) Rib cage

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.respiratory organs
12. Elasmobranchs are different from teleosts in :
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17. Which of the following are derived from the
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(A) Having accessory dermis ?
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(B) Absencelof
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clasper (A) Scales
(C) Absence (B) Feathers
(D) Absence of air bladder (C) Nails
13. Which urodela (caudata) shows parental care by (D) Mammary glands
carrying a gelatinous egg mass round her neck ?
18. Bunodont teeth are associated with :
(A) Amphiuma

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(A) Man

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(B) Triton

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(C) Desmognathus

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(D) Keyeserlingi
(D) Dog
14. Neurotoxic venom is produced by all except
(A) Naja naja (Cobra) 19. Alveoli of mammalian lung are lined by :

(B) Bongarus (Krait) (A) Simple cuboidal epithelium

(C) Vipera (Viper) (B) Ciliated epithelium

(D) Hydrophis (Sea snake) (C) Columnar epithelium

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15. In which super order of class aves are the four limbs (D) Simple squamous epithelium
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modified into flippers, feathers small scale like and
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20. True internal gills are absent in :

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have a thick layer of fat beneath the skin ?

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(A) Elasmobranch

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(A) Palaeognathae

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(B) Teleosti
(C) Dipnoi
(C) Impennae
(D) Neognathae (D) Tetrapoda

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21. The ventricles of the brain are filled with : 26. Mosaic development and unequal cleavage is seen
in :
(A) Brain fluid
(A) Chimpanzee
(B) Cerebro-spinal fluid
(B) Rabbit
(C) Blood
(C) Humans
(D) Lymph
(D) Frog
22. Arrange the meninges from inside :
27. Extra-embryonic membranes are absent in :
(A) Dura, Arachnoid, Pia (A) Prototherians
(B) Pia, Arachnoid, Dura (B) Metatherians
(C) Dura, Pia, Arachnoid (C) Eutherians
(D) Pia, Dura, Arachnoid (D) Amphibians

23. Tri-lobed kidney is found in : 28. In humans the beginning of embryonic stage occurs
in :
(A) Rabbit
(A) First week
(B) Man
(B) Third week
(C) Frog
(C) Sixth week
(D) All (D) Second trimister
24. Absence of right systemic arch is characteristic of : 29. Re-absorption of useful substances back into the

(A) Mammals blood from the filtrate in a nephron occurs mainly
in :
(B) Aves
(A) Proximal convoluted tubule
(C) Reptiles
(B) Loop of henle
(D) None of the above (C) Distant convoluted tubule
25. Identify the animal in which cross fertilization is (D) Collecting duct
mandatory through hermaphrodite :
30. Which of the following converts peptones,
(A) Pheretima proteoses and poly-peptides into amino acids :

(B) Crocodiles (A) Amylase

(C) Cockroach (B) Trypsin
(C) Lipase
(D) Turtle
(D) Rennin

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31. Function of the tracheal hairs is to : 36. Pupil is dilated by :
(A) Pass mucus out (A) Contraction of circular muscles
(B) Pass mucus in (B) Contraction of radial muscles
(C) Pass air out
(C) Both (A) and (B)
(D) Pass air in

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(D) None

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32. Trimethyl amine oxide is excreted by :

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37. LH helps in :
(A) Marine fishes
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(A) Formation of ovum

(C) Reptiles la
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(B) Fresh water fishes

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(B) Release of ripe ovum
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(D) Birds
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(D) None of the above
33. When the S.A node does not initiate any impulse
for heart beat it results in : 38. Calcitonin which helps in reducing the levels of
(A) Heart failure blood calcium is produced by :

(B) Heart block (A) Adrenal gland

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(C) Circulatory arrest (B)

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(D) Circulatory shock
34. When the neuron is at rest :
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(D) Pituitary gland
(A) The inner surface of the cell membrane is 39. Deficiency of thyroxin in children leads to :
negatively charged
(A) Creatinism
(B) There are more sodium ions outside the cell
than within (B) Myxodema
(C) Both (A) and (B) (C) Tetany

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(D) None of the above (D) Acromegaly

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35. Perception of sound in a mammal is by stimulation 40. Oxytocin and vasopresin are released by :

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of mechano-receptors located in :

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(A) Pars-distalis

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(B) Pars-intermedia
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(B) Sacculus
(C) Pars-nervosa
(C) Semi circular canals
(D) Organ of Corti (D) None of the above

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41. The enzymes responsible for promoting 46. Following Mendels Laws F2 progeny shows
gluconeogenesis are : phenotypic ratio of 27:9:9:9:3:3:3:1 in a cross
(A) Insulin, Cortisol and Thyroxine called :

(B) Cortisol, Insulin and Glucagon (A) Monohybrid cross

(C) Cortisol, Glucagon and Thyroxine (B) Dihybrid cross

(D) Insulin, Thyroxine and Glucagon (C) Trihybrid cross

42. Deamination results in formation of uric acid in (D) None of the above
presence of : 47. Foetal sex can be determined by examining cells
(A) Arginase from amniotic fluid by looking for :
(B) Xanthine oxidase (A) Kinetochore
(C) Both (B) Chiasmata
(D) None (C) Barrbody
43. Which of the following is the first step in Krebs (D) Autosomes
cycle ?
48. Which of the following is sex-linked inheritance ?
(A) Acetyl CoA + Oxaloacetic acid → Citric acid
(A) Perinicious anemia
(B) Cis-aconitic acid + H2O → Isocitric acid
(B) Cretinism
(C) Fumaric acid + H2O → Malic acid
(C) Night blindness
(D) Succinic acid → 2H + Fumeric acid
(D) Color blindness
44. Reactions of urea cycle takes place in the liver cell
in : 49. Trasversion mutation means :

(A) Cytosol (A) Adenine is substituted by guanine
(B) Lysosomes only (B) Thyamine is substituted by cytosine
(C) Mitochondrial matrix (C) Purine is substituted by pyrimidine
(D) Both Cytosol and mitochondrial matrix (D) None of the above
45. Determination of sex of a child depends upon : 50. Male honey bees have :
(A) Nature of sperm (A) Haploid chromosomes
(B) Nature of egg (B) Diploid chromosomes
(C) Health of father (C) Triploid chromosomes
(D) Age of mother (D) All of the above

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51. Chromosomal numbers in Edwards syndrome are : 56. Origin of the first toothed birds took place in :
(A) Addition of a single chromosome on 21st pair (A) Cretaceous period
(B) Addition of a single chromosome on 18th pair (B) Triassic period
(C) Addition of a single chromosome on 13th pair (C) Jurassic period
(D) Addition of a single chromosome on 15th pair (D) Permian period

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52. Okazaki fragments are joined together by :
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57. Two species are called sibling species if they are :
(A) DNA topoisomerase I
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(B) DNA topoisomerase

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(B) Morphologically similar but reproductively

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(C) Both (A) and isolated
(D) Noneaof the above (C) Morphologically similar and inter breeding
53. Darwin’s theory of natural selection to explain (D) Morphologically distinct and reproductively
organic evolution was based on : isolated
(A) Modifications in the organs through use and 58. Macro evolution operates above species level and
disuse results in the establishment of :
(B) Prodigality of reproduction, struggle for (A) New genera

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existence and survival of the fittest
. (C) New orders
(B)
(C) Inheritance of acquired characters
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(D) Appearance of sudden large variations, their

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(D) All of the above
inheritance and survival of those having
variations 59. Evolution of Darwin’s finches is an example of :
54. Industrial melanism illustrates the phenomenon of : (A) Adoptive radiation
(A) Directional selection (B) Allopatric speciation
(B) Concealing coloration (C) Both (A) and (B)
(C) Both (A) and (B) (D) None of the above

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(D) None of the above 60. The term speciation was coined by :

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55. The type of fossil where hard parts like bone or (A) Mayr
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trunks of the trees are preserved are known as :
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(B) A.R. Wallace

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(C) Linnaeus
(D) Malths
(C) Compression
(D) Pseudofossil

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ROUGH WORK

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